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engines/hpl1/penumbra-overture/GameEnemy_Worm.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of Penumbra Overture.
+ */
+
+#ifndef GAME_GAME_ENEMY_WORM_H
+#define GAME_GAME_ENEMY_WORM_H
+
+#include "hpl1/engine/engine.h"
+#include "hpl1/penumbra-overture/GameEnemy.h"
+
+using namespace hpl;
+
+//-----------------------------------------
+
+class cGameEnemy_Worm;
+
+// BASE STATE
+class iGameEnemyState_Worm_Base : public iGameEnemyState {
+public:
+	iGameEnemyState_Worm_Base(int alId, cInit *apInit, iGameEnemy *apEnemy);
+
+	virtual void OnSeePlayer(const cVector3f &avPosition, float afChance);
+	virtual bool OnHearNoise(const cVector3f &avPosition, float afVolume);
+	virtual void OnTakeHit(float afDamage);
+	virtual void OnDeath(float afDamage);
+	virtual void OnFlashlight(const cVector3f &avPosition);
+
+	virtual void OnAnimationOver(const tString &asAnimName) {}
+
+	virtual void OnDraw() {}
+	virtual void OnPostSceneDraw() {}
+
+protected:
+	cGameEnemy_Worm *mpEnemyWorm;
+};
+
+//-----------------------------------------
+
+// IDLE STATE
+class cGameEnemyState_Worm_Idle : public iGameEnemyState_Worm_Base {
+public:
+	cGameEnemyState_Worm_Idle(int alId, cInit *apInit, iGameEnemy *apEnemy) : iGameEnemyState_Worm_Base(alId, apInit, apEnemy) {}
+
+	void OnEnterState(iGameEnemyState *apPrevState);
+	void OnLeaveState(iGameEnemyState *apNextState);
+
+	void OnUpdate(float afTimeStep);
+
+	// void OnSeePlayer(const cVector3f &avPosition, float afChance){}
+
+private:
+	bool mbStopped;
+	float mfNextWalkTime;
+};
+
+//-----------------------------------------
+
+// HUNT STATE
+class cGameEnemyState_Worm_Hunt : public iGameEnemyState_Worm_Base {
+public:
+	cGameEnemyState_Worm_Hunt(int alId, cInit *apInit, iGameEnemy *apEnemy) : iGameEnemyState_Worm_Base(alId, apInit, apEnemy) {}
+
+	void OnEnterState(iGameEnemyState *apPrevState);
+	void OnLeaveState(iGameEnemyState *apNextState);
+
+	void OnUpdate(float afTimeStep);
+
+	void OnSeePlayer(const cVector3f &avPosition, float afChance);
+	bool OnHearNoise(const cVector3f &avPosition, float afVolume);
+
+	void OnDraw();
+	void OnPostSceneDraw();
+
+private:
+	float mfUpdatePathCount;
+	float mfUpdateFreq;
+	bool mbFreePlayerPath;
+	bool mbLostPlayer;
+	float mfLostPlayerCount;
+	float mfMaxLostPlayerCount;
+	float mfAttackSoundCount;
+
+	float mfAttackCount;
+
+	float mfSoundCount;
+};
+
+//-----------------------------------------
+
+// DEAD STATE
+class cGameEnemyState_Worm_Dead : public iGameEnemyState_Worm_Base {
+public:
+	cGameEnemyState_Worm_Dead(int alId, cInit *apInit, iGameEnemy *apEnemy) : iGameEnemyState_Worm_Base(alId, apInit, apEnemy) {}
+
+	void OnEnterState(iGameEnemyState *apPrevState);
+	void OnLeaveState(iGameEnemyState *apNextState);
+
+	void OnUpdate(float afTimeStep) {}
+
+	void OnSeePlayer(const cVector3f &avPosition, float afChance) {}
+	bool OnHearNoise(const cVector3f &avPosition, float afVolume) { return false; }
+
+private:
+};
+
+//-----------------------------------------
+
+class cWormTailSegment {
+public:
+	cWormTailSegment() {
+		mpBone = NULL;
+		mpChildSegment = NULL;
+	}
+
+	Common::List<cVector3f> mlstPositions;
+	cVector3f mvPosition;
+
+	cVector3f mvGoalForward;
+
+	cVector3f mvForward;
+	cVector3f mvUp;
+	cVector3f mvRight;
+
+	float mfDistToFront;
+
+	iPhysicsBody *mpBody;
+
+	cBoneState *mpBone;
+
+	cMatrixf m_mtxBaseRot;
+
+	cWormTailSegment *mpChildSegment;
+};
+
+//-----------------------------------------
+
+class cGameEnemy_Worm_MeshCallback : public cMeshEntityCallback {
+public:
+	cGameEnemy_Worm_MeshCallback(cGameEnemy_Worm *apWorm);
+
+	void AfterAnimationUpdate(cMeshEntity *apMeshEntity, float afTimeStep);
+
+private:
+	cGameEnemy_Worm *mpWorm;
+};
+
+//-----------------------------------------
+
+class cVector3Smoother {
+public:
+	cVector3Smoother();
+
+	void Add(const cVector3f &avVec);
+	cVector3f GetAverage();
+
+	void SetMax(int alMax) { mlMaxVecs = alMax; }
+
+private:
+	int mlMaxVecs;
+	Common::List<cVector3f> mlstVecs;
+};
+
+//-----------------------------------------
+
+class cGameEnemy_Worm : public iGameEnemy {
+	friend class cGameEnemy_Worm_MeshCallback;
+
+public:
+	cGameEnemy_Worm(cInit *apInit, const tString &asName, TiXmlElement *apGameElem);
+	~cGameEnemy_Worm();
+
+	void OnLoad();
+
+	void OnUpdate(float afTimeStep);
+
+	void ExtraPostSceneDraw();
+
+	void ShowPlayer(const cVector3f &avPlayerFeetPos);
+
+	bool MoveToPos(const cVector3f &avFeetPos);
+
+	bool IsFighting();
+
+	iCollideShape *GetAttackShape() { return mpAttackShape; }
+
+	// Worm specific
+	void SetupTail();
+
+	cSoundEntity *mpMoveSound;
+
+	// State properties
+	tString msMoveSound;
+
+	float mfIdleFOV;
+	tString msIdleFoundPlayerSound;
+	float mfIdleMinSeeChance;
+	float mfIdleMinHearVolume;
+	float mfIdleMinWaitLength;
+	float mfIdleMaxWaitLength;
+
+	float mfHuntFOV;
+	float mfHuntSpeed;
+	float mfHuntForLostPlayerTime;
+	float mfHuntMinSeeChance;
+	float mfHuntMinHearVolume;
+
+	tString msHuntSound;
+	float mfHuntSoundMinInteraval;
+	float mfHuntSoundMaxInteraval;
+
+	float mfAttackDamage;
+	float mfAttackInterval;
+	tString msAttackHitSound;
+	float mfAttackHitSoundInterval;
+	float mfAttackMinMass;
+	float mfAttackMaxMass;
+	float mfAttackMinImpulse;
+	float mfAttackMaxImpulse;
+	int mlAttackStrength;
+
+	cVector3f mvAttackDamageSize;
+
+private:
+	iCollideShape *mpAttackShape;
+
+	cBoneState *mpRootBone;
+	Common::List<cVector3f> mlstRootPositions;
+	cVector3Smoother mRootForwards;
+	cVector3f mvRootPosition;
+	cVector3f mvRootGoalForward;
+	cVector3f mvRootForward;
+	cVector3f mvRootRight;
+	cVector3f mvRootUp;
+
+	cVector3f mvRootBaseForward;
+
+	cVector3f mvLastForward;
+
+	int mlMaxSegmentPositions;
+	float mfTurnSpeed;
+
+	bool mbFirstUpdate;
+	cVector3f mvFirstUpdatePos;
+
+	cGameEnemy_Worm_MeshCallback *mpMeshCallback;
+
+	cWormTailSegment *mpRootSegment;
+	Common::Array<cWormTailSegment *> mvTailSegments;
+};
+
+//-----------------------------------------
+
+#endif // GAME_GAME_ENEMY_WORM_H